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10381056 = 28371931
BaseRepresentation
bin100111100110…
…011100000000
3201112102010120
4213212130000
510124143211
61010300240
7154144320
oct47463400
921472116
1010381056
115950494
123587680
1321c614a
141543280
15da0d06
hex9e6700

10381056 has 72 divisors (see below), whose sum is σ = 31592064. Its totient is φ = 2964480.

The previous prime is 10381039. The next prime is 10381069. The reversal of 10381056 is 65018301.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4411 + ... + 6341.

Almost surely, 210381056 is an apocalyptic number.

10381056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10381056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15796032).

10381056 is an abundant number, since it is smaller than the sum of its proper divisors (21211008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10381056 is an equidigital number, since it uses as much as digits as its factorization.

10381056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957 (or 1943 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 10381056 is about 3221.9646180553. The cubic root of 10381056 is about 218.1459617844.

Adding to 10381056 its reverse (65018301), we get a palindrome (75399357).

The spelling of 10381056 in words is "ten million, three hundred eighty-one thousand, fifty-six".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 256 336 384 448 672 768 896 1344 1792 1931 2688 3862 5376 5793 7724 11586 13517 15448 23172 27034 30896 40551 46344 54068 61792 81102 92688 108136 123584 162204 185376 216272 247168 324408 370752 432544 494336 648816 741504 865088 1297632 1483008 1730176 2595264 3460352 5190528 10381056